./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/reducercommutativity/max05-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/max05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e48915cf0eaefe43320bbe59bf88f5c68b2f305d293e808fa6ece9112b5c238 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:43:16,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:43:16,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:43:16,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:43:16,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:43:16,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:43:16,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:43:16,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:43:16,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:43:16,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:43:16,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:43:16,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:43:16,827 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:43:16,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:43:16,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:43:16,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:43:16,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:43:16,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:43:16,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:43:16,830 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:43:16,830 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:43:16,831 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:43:16,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:43:16,843 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:43:16,843 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:43:16,844 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:43:16,844 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:43:16,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:43:16,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:43:16,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:43:16,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:43:16,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:43:16,846 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:43:16,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:43:16,847 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:43:16,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e48915cf0eaefe43320bbe59bf88f5c68b2f305d293e808fa6ece9112b5c238 [2023-12-02 23:43:17,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:43:17,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:43:17,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:43:17,136 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:43:17,136 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:43:17,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/reducercommutativity/max05-1.i [2023-12-02 23:43:19,949 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:43:20,161 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:43:20,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/sv-benchmarks/c/reducercommutativity/max05-1.i [2023-12-02 23:43:20,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/data/a7916aaff/1cf8c7880f844be5afc6bc316b6675aa/FLAGd0d4e6af0 [2023-12-02 23:43:20,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/data/a7916aaff/1cf8c7880f844be5afc6bc316b6675aa [2023-12-02 23:43:20,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:43:20,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:43:20,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:43:20,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:43:20,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:43:20,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:43:20" (1/1) ... [2023-12-02 23:43:20,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62328c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:20, skipping insertion in model container [2023-12-02 23:43:20,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:43:20" (1/1) ... [2023-12-02 23:43:20,216 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:43:20,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:43:20,386 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:43:20,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:43:20,427 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:43:20,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:20 WrapperNode [2023-12-02 23:43:20,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:43:20,430 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:43:20,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:43:20,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:43:20,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:20" (1/1) ... [2023-12-02 23:43:20,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:20" (1/1) ... [2023-12-02 23:43:20,470 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-12-02 23:43:20,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:43:20,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:43:20,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:43:20,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:43:20,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:20" (1/1) ... [2023-12-02 23:43:20,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:20" (1/1) ... [2023-12-02 23:43:20,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:20" (1/1) ... [2023-12-02 23:43:20,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:20" (1/1) ... [2023-12-02 23:43:20,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:20" (1/1) ... [2023-12-02 23:43:20,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:20" (1/1) ... [2023-12-02 23:43:20,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:20" (1/1) ... [2023-12-02 23:43:20,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:20" (1/1) ... [2023-12-02 23:43:20,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:43:20,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:43:20,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:43:20,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:43:20,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:20" (1/1) ... [2023-12-02 23:43:20,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:43:20,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:43:20,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:43:20,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:43:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:43:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure max [2023-12-02 23:43:20,580 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2023-12-02 23:43:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:43:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:43:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:43:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:43:20,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:43:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:43:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:43:20,671 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:43:20,673 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:43:20,874 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:43:20,952 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:43:20,953 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 23:43:20,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:43:20 BoogieIcfgContainer [2023-12-02 23:43:20,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:43:20,956 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:43:20,956 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:43:20,966 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:43:20,966 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:43:20" (1/1) ... [2023-12-02 23:43:20,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:43:21,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:21,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2023-12-02 23:43:21,035 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-12-02 23:43:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:43:21,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:21,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:21,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:21,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:21,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2023-12-02 23:43:21,319 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2023-12-02 23:43:21,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:43:21,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:21,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:21,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:21,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:21,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2023-12-02 23:43:21,403 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-12-02 23:43:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:43:21,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:21,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:21,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:21,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2023-12-02 23:43:21,608 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-12-02 23:43:21,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:43:21,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:21,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:21,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:43:21,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-12-02 23:43:21,803 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-12-02 23:43:21,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:43:21,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:21,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:21,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:21,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2023-12-02 23:43:21,935 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-12-02 23:43:21,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:43:21,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:21,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2023-12-02 23:43:22,088 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-12-02 23:43:22,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:43:22,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:22,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:43:22,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:22,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2023-12-02 23:43:22,220 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-12-02 23:43:22,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:43:22,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:22,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:43:22,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:22,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2023-12-02 23:43:22,279 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2023-12-02 23:43:22,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:43:22,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:22,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:22,371 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:43:22,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:22,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2023-12-02 23:43:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-12-02 23:43:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:43:22,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:22,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:43:22,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:22,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2023-12-02 23:43:22,937 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-12-02 23:43:22,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:43:22,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:22,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:43:23,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2023-12-02 23:43:23,342 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2023-12-02 23:43:23,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:43:23,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:23,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:23,487 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 23:43:23,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:23,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2023-12-02 23:43:23,712 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2023-12-02 23:43:23,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:43:23,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:23,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 23:43:23,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:23,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 44 states and 49 transitions. [2023-12-02 23:43:23,986 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2023-12-02 23:43:23,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:43:23,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:23,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 23:43:24,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2023-12-02 23:43:24,325 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2023-12-02 23:43:24,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:43:24,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:24,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:24,464 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-12-02 23:43:24,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:24,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-12-02 23:43:24,546 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-12-02 23:43:24,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:43:24,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:24,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 23:43:24,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:24,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2023-12-02 23:43:24,704 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-12-02 23:43:24,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:43:24,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:24,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 23:43:24,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2023-12-02 23:43:24,789 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2023-12-02 23:43:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:43:24,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:24,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:24,919 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 23:43:24,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:24,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2023-12-02 23:43:24,974 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2023-12-02 23:43:24,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 23:43:24,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:24,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:25,055 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 23:43:25,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:25,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-12-02 23:43:25,072 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-12-02 23:43:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:43:25,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:25,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:25,191 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 23:43:25,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:25,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-12-02 23:43:25,335 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-12-02 23:43:25,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:43:25,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:25,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:25,432 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:43:25,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 48 states and 53 transitions. [2023-12-02 23:43:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2023-12-02 23:43:25,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 23:43:25,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:25,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:25,779 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 23:43:26,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:26,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 47 states and 52 transitions. [2023-12-02 23:43:26,095 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2023-12-02 23:43:26,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:43:26,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:26,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:26,190 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:43:26,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:26,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2023-12-02 23:43:26,434 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-12-02 23:43:26,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:43:26,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:26,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:26,537 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-02 23:43:26,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2023-12-02 23:43:26,715 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2023-12-02 23:43:26,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:43:26,716 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2023-12-02 23:43:26,725 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-02 23:43:26,868 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-12-02 23:43:26,875 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-12-02 23:43:26,875 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:43:26,875 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-12-02 23:43:26,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:43:26 ImpRootNode [2023-12-02 23:43:26,876 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:43:26,877 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:43:26,877 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:43:26,877 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:43:26,878 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:43:20" (3/4) ... [2023-12-02 23:43:26,880 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:43:26,883 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure max [2023-12-02 23:43:26,888 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-12-02 23:43:26,889 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 23:43:26,889 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 23:43:26,890 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:43:26,991 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:43:26,992 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:43:26,992 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:43:26,993 INFO L158 Benchmark]: Toolchain (without parser) took 6807.33ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 157.2MB in the beginning and 102.7MB in the end (delta: 54.5MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2023-12-02 23:43:26,994 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:43:26,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.10ms. Allocated memory is still 186.6MB. Free memory was 157.2MB in the beginning and 146.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:43:26,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.81ms. Allocated memory is still 186.6MB. Free memory was 146.2MB in the beginning and 144.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:43:26,995 INFO L158 Benchmark]: Boogie Preprocessor took 35.18ms. Allocated memory is still 186.6MB. Free memory was 144.7MB in the beginning and 143.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:43:26,996 INFO L158 Benchmark]: RCFGBuilder took 447.73ms. Allocated memory is still 186.6MB. Free memory was 143.4MB in the beginning and 126.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:43:26,996 INFO L158 Benchmark]: CodeCheck took 5920.68ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 126.6MB in the beginning and 107.9MB in the end (delta: 18.7MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2023-12-02 23:43:26,997 INFO L158 Benchmark]: Witness Printer took 115.29ms. Allocated memory is still 224.4MB. Free memory was 107.9MB in the beginning and 102.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:43:26,999 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 29 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 969 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 407 mSDsluCounter, 240 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1215 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2810 IncrementalHoareTripleChecker+Invalid, 4025 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1215 mSolverCounterUnsat, 240 mSDtfsCounter, 2810 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3544 GetRequests, 3405 SyntacticMatches, 31 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5101 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 639 NumberOfCodeBlocks, 639 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 615 ConstructedInterpolants, 0 QuantifiedInterpolants, 845 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 14 PerfectInterpolantSequences, 765/829 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((1 <= i) || (i == 0)) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((i == 0) || (1 <= i)) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: (0 <= (i + 2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.10ms. Allocated memory is still 186.6MB. Free memory was 157.2MB in the beginning and 146.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.81ms. Allocated memory is still 186.6MB. Free memory was 146.2MB in the beginning and 144.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.18ms. Allocated memory is still 186.6MB. Free memory was 144.7MB in the beginning and 143.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 447.73ms. Allocated memory is still 186.6MB. Free memory was 143.4MB in the beginning and 126.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5920.68ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 126.6MB in the beginning and 107.9MB in the end (delta: 18.7MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. * Witness Printer took 115.29ms. Allocated memory is still 224.4MB. Free memory was 107.9MB in the beginning and 102.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:43:27,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd81de9c-0a83-4860-93cc-d6ae4f731c8d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE